BJ Series

Compact and Long sensing distance

Features
Long distance sensing type
● Long sensing distance with high quality lens
● Long sensing distance
: Through-beam type 15m, Diffuse reflective type 1m,
Polarized retroreflective type 3m(MS-2A)
● M.S.R.(Mirror Surface Rejection) function
(Polarized retroreflective type)
● Compact size: W20×H32×L10.6mm
● Protection structure IP65/IP67(IEC standard)
● Light ON/Dark ON selectable (MS-2A)
● Sensitivity adjustment VR incorporated
● Built-in reverse power polarity, output short,
overcurrent protection circuit Line-up
● Mutual interference prevention function
(Except through-beam type) Connector type
● Improved noise resistance and minimize effect of inverter
disturbance light
Please read “Caution for your safety” in operation
manual before using.

Specifications ※The model name with ‘-C’ is connector type.

Type Long distance sensing type
NPN open BJ15M-TDT BJ10M-TDT BJ3M-PDT BJ1M-DDT BJ300-DDT BJ100-DDT
BJ15M-TDT-C BJ10M-TDT-C BJ7M-TDT
Model

collector output BJ3M-PDT-C BJ1M-DDT-C BJ300-DDT-C BJ100-DDT-C

PNP open BJ15M-TDT-P BJ10M-TDT-P BJ7M-TDT-P BJ3M-PDT-P BJ1M-DDT-P BJ300-DDT-P BJ100-DDT-P
collector output BJ15M-TDT-C-P BJ10M-TDT-C-P BJ3M-PDT-C-P BJ1M-DDT-C-P BJ300-DDT-C-P BJ100-DDT-C-P
Polarized
Sensing type Through-beam Diffuse reflective
retroreflective
※1
1m 300mm 100mm
0.1 to 3m (Non-glossy (Non-glossy (Non-glossy
Sensing distance 15m 10m 7m white paper white paper white paper
(MS-2A)
300×300mm) 100×100mm) 100×100mm)
Sensing target Opaque material over ø12mm Opaque material Opaque material Translucent, opaque materials
overø8mm over ø75mm
Hysteresis - Max. 20% at sensing distance
Response time Max. 1ms
Power supply 12-24VDC±10%(Ripple P-P: Max.10%)
Current consumption Emitter/Receiver: Max. 20mA Max. 30mA
Infrared LED Red LED Red LED Red LED Infrared LED Red LED Infrared LED
Light source (850nm) (660nm) (650nm) (660nm) (850nm) (660nm) (850nm)
Sensitivity adjustment Built-in the adjustment VR
Operation mode Light ON/Dark ON selectable
NPN or PNP open collector output
Control output ●Load voltage: Max. 26.4VDC ●Load current: Max. 100mA ●Residual voltage - NPN: Max. 1V, PNP: Min. 2.5V
Protection circuit Reverse polarity protection, output short-circuit protection, interference prevention function(Except through-beam type)
Indicator Operation: Red, Stable: Green(Emitter’s power indicator: Green)
Insulation resistance Max.20MΩ(at 500VDC megger)
Dielectric strength 1000VAC 50/60Hz for 1minute
Vibration 1.5mm or 300m/s2 amplitude at frequency of 10 to 55Hz(for 1 min.) in each of X, Y, Z directions for 2 hours
Shock 500m/s2 in each of X, Y, Z directions for 3 times
Ambient illumination Sunlight: Max. 11,000lx, Incandescent lamp: Max. 3,000lx(Receiver illumination)
Environ-

Ambient temperature -25 to 55℃, storage: -40 to 70℃

ment

Ambient humidity 35 to 85%RH, storage: 35 to 85%RH

Protection BJ - IP65(IEC standard), BJ-C - IP67(at non-dew status)
Material Case: PC+ABS, LED Cap: PC, Sensing part: PMMA
※2 BJ: ø3.5mm, 3-wire, Length: 2m(Emitter of through-beam type: ø3.5mm, 2-wire, Length: 2m)
Cable (AWG24, Core diameter: 0.08mm, Number of cores: 40, Insulator out diameter: ø1mm)
Common Mounting bracket, Bolt, Nut, VR adjustment driver
Accessory
Individual - Reflector(MS-2A) -
Approval
Unit weight BJ: Approx. 90g, BJ-C: Approx. 20g BJ: Approx 60g BJ: Approx. 45g, BJ-C: Approx. 10g
BJ-C: Approx 30g
※1: The sensing distance is extended to 0.1 to 4m or 0.1 to 5m when using optional reflector MS-2S or MS-3S.
※2: M8 connector cable is sold separately. (Cable - AWG22, Core diameter: 0.08mm, Number of cores: 60, Insulator out diameter: 1.25mm)
※ The temperature or humidity mentioned in Environment indicates a non freezing or condensation environment.

A-12
Long sensing distance/BGS reflective/Micro spot type

Transparent glass sensing/BGS reflective/Micro spot type (A)

Photo
electric

Features
sensor

Line-up (B)
BGS reflective type Fiber
optic
● Adopts BGS method superior than convergent reflective sensor

to minimize error by background, or color, material of

(C)
sensing object for stable sensing by adjusting the volume Door/Area
● Visible light source to check the position of sensing spot and small spot sensor

minimizing effect of the ambient objects with narrow sensing width Transparent glass
(D)
Transparent glass sensing type / Micro spot type sensing type Proximity
sensor
● Stable sensing for transparent object(LCD, PDP, glass etc) BGS reflective
by BJG30-DDT type (E)
● Easy to check sensing location with visible micro spot(BJN Series) Pressure
sensor
● Detects tiny objects (min. sensing target Ø0.2mm copper wire) (Spot size)
Commonness Ø5.0/4.5/6.5mm
(F)
● Compact size: W20×H32×L10.6mm Rotary
encoder
● Protection structure IP65(IEC standard)
● Light ON/Dark ON selectable(Except BJG30-DDT) (G)
● Sensitivity adjustment VR incorporated(Except BJG3 DDT) Connector/
Socket
● Built-in reverse power polarity, output short, overcurrent protection circuit
● Mutual interference prevention function(Except BGS reflective type) Micro spot type (H)
● Improved noise resistance and minimized effect of inverter disturbance light Temp.
controller
(Spot size) ※Spot is visible with bare eyes
Please read “Caution for your safety” in operation while beam(line) is not.
manual before using. Ø2.0/2.5mm (I)
SSR/
Power
Specifications controller

Type Transparent glass sensing type BGS reflective type Micro spot type (J)
Counter
NPN open collector output BJG30-DDT BJ30-BDT BJ50-BDT BJ100-BDT BJN50-NDT BJN100-NDT
Model

PNP open collector output - BJ30-BDT-P BJ50-BDT-P BJ100-BDT-P BJN50-NDT-P BJN100-NDT-P

Sensing type Diffuse reflective BGS reflective Narrow beam reflective (K)
Timer
30mm 15mm 10 to 30mm 10 to 50mm 10 to 100mm
(Non-glossy (Transparent (Non-glossy (Non-glossy (Non-glossy
Sensing distance 30 to 70mm 70 to 130mm
white paper glass 50×50mm, white paper white paper white paper (L)
100×100mm) t=3.0mm) 50×50mm) 50×50mm) 100×100mm) Panel
meter
Transparent glass,
Sensing target Translucent, opaque materials Translucent, opaque materials
opaque materials, translucent (M)
Tacho/
Min.diameter of - Approx. Approx. Approx. Approx. Approx. Speed/ Pulse
transmitting SPOT ø5.0mm ø4.5mm ø6.5mm ø2.0mm ø2.5mm meter

Min.sensing target - Approx. min. ø0.2mm(Copper wire) (N)

Max. 25% at Max. 20% at Display
Hysteresis Max. 20% at sensing distance Max. 10% at sensing distance sensing distance sensing distance unit

Response time Max. 1ms Max. 1.5ms Max. 1ms

(O)
Power supply 12-24VDC ±10%(Ripple P-P: Max.10%) Sensor
controller
Current consumption Max. 30mA
Light source/Wavelength Infrared LED(850nm) Red LED(660nm) Red LED(650nm) (P)
Switching
Sensitivity adjustment - Built-in the adjustment VR power
supply
Operation mode Light ON fixed Light ON / Dark ON selectable
(Q)
NPN open collector output
●Load voltage: Max. 26.4VDC NPN
or PNP open collector output Stepping
motor&
Control output ●Load voltage: Max. 26.4VDC ●Load current: Max. 100mA Driver&Controller
●Load current: Max.100mA
●Residual voltage - NPN: Max. 1V, PNP: Min. 2.5V
●Residual voltage: Max. 1V (R)
Graphic/
Protection circuit Reverse polarity protection, output short-circuit protection, interference prevention function(Exept BGS reflective type) Logic
Indicator Operation indicator: Red, Stability indicator: Green panel

Insulation resistance Min. 20MΩ(at 500VDC megger) (S)

Field
Dielectric strength 1,000VAC 50/60Hz for 1minute network
device
Vibration 1.5mm or 300m/s2 amplitude at frequency of 10 to 55Hz(for 1 min.) in each of X, Y, Z directions for 2 hours
Shock 500m/s2 in each of X, Y, Z directions for 3 times (T)
Software
Ambient illumination Sunlight: Max. 11,000lx, Incandescent lamp: Max. 3,000lx(Receiver illumination)
Environ-

Ambient temperature -25 to 55℃, storage:-40 to 70℃

ment

Ambient humidity 35 to 85%RH, storage: 35 to 85%RH (U)

Other
Protection IP65(IEC standard)
Material Case: PC+ABS, LED Cap: PC, Sensing part: PMMA
Cable ø3.5mm, 3-wire, Length: 2m(AWG24, Core diameter: 0.08mm, Number of cores: 40, Insulator out diameter: ø1mm)
Accessory Mounting bracket, Bolt Mounting bracket, Bolt, Adjustment driver
Approval
Unit weight Approx. 45g Approx. 50g Approx. 45g
※ The temperature or humidity mentioned in Environment indicates a non freezing or condensation environment.

A-13
BJ Series

Feature data
Through-beam type
● BJ15M-TDT-(C)-(P) / BJ10M-TDT-(C)-(P) / BJ7M-TDT-(P)
Parallel shifting characterisitic Angle characteristic
Measuring method Data Measuring method Data
24
20
BJ15M-TDT-(C)-(P)
20 BJ10M-TDT-(C)-(P) BJ15M-TDT-(C)-(P)
BJ7M-TDT(-P) 16
Sensing distance L(m)

Sensing distance L(m)

Emitter 16 BJ10M-TDT-(C)-(P)
12
L 12 Emitter
ℓ1 BJ7M-TDT(P)
L 8
θ
8
4
Receiver
4
Receiver
0
0 30° 20° 10° 0° 10° 20° 30°
80 40 0 40 80 Left Center Right
ℓ1 ℓ1 Operation angle(θ)
Sensing area(cm)

Retroreflective type
● lBJ3M-PDT-(C)-(P)
Parallel shifting characterisitic Sensor angle characteristic Reflector angle characteristic
Measuring method Data Measuring method Data Measuring method Data
6.0
5.0 4.5
Sensing distance L(mm)

Sensing distance L(mm)

Sensing distance L(mm)

5.0
Reflector 4.0 Reflector 3.5
4.0 Reflector
MS-2A
3.0 θ 3.0 2.5
ℓ1
L L
2.0 θ 1.5
2.0

1.0 1.0 0.5

0 0.0 0.0
160 80 0 80 160 10° 5°0° 5° 10° 40° 20° 0° 20° 40°
ℓ1 ℓ1 Left Center Right Left Center Right
Sensing area (mm) Operation angle(θ) Operation angle(θ)

Diffuse/Narrow beam reflective type

● BJ1M-DDT-(C)-(P) ● BJ300-DDT-(C)-(P) ● BJ100-DDT-(C)-(P)
Sensing area characteristic Sensing area characteristic Sensing area characteristic
Measuring method Data Measuring method Data Measuring method Data
2000 1000 200
Sensing distance L(mm)
Sensing distance L(mm)

1600 160
Sensing distance L(mm)

800 Standard
Standard Standard
ℓ1 sensing 1200 ℓ1 sensing ℓ1 sensing 120
target target 600 target
800 80
400
L L L
400 40
200
200 20
0
0 20 10 0 10 20 0
40 20 0 20 40 ℓ1 ℓ1 40 20 0 20 40
ℓ1 ℓ1 ℓ1 ℓ1
Sensing area(mm) Sensing area(mm) Sensing area(mm)

● BJG30-DDT ● BJN50-NDT-(P) ● BJN100-NDT-(P)

Sensing area characteristic Sensing area characteristic Sensing area characteristic
Measuring method Data Measuring method Data
30
120 180
25 160
100
Sensing distance L(m)

Standard 140
Sensing distance L(m)

ℓ1 sensing 20 Standard Standard

Sensing distance L(m)

ℓ1 sensing 80 ℓ1 sensing 120

target target target 100
15
60
80
L 10 L L
40 60
5 40
20
20
0 0
0
20 15 10 5 0 5 10 15 20
ℓ1 ℓ1 2 1 0 1 2 2 1 0 1 2
ℓ1 ℓ1 ℓ1 ℓ1
Sensing area(mm) Sensing area (mm) Sensing area (mm)

A-14
Long sensing distance/BGS reflective/Micro spot type
Feature data (A)

BGS reflective type Photo

electric
sensor
● BJ30-BDT / BJ30-BDT-P ● BJ50-BDT / BJ50-BDT-P ● BJ100-BDT / BJ100-BDT-P
(B)
Sensing area characteristic Sensing area characteristic Sensing area characteristic Fiber
optic
Measuring method Data Measuring method Data Measuring method Data sensor

35 60 110
(C)
30 55 100 Door/Area
25 50 90 sensor
45
Sensing distance L(mm)

20 Standard Standard 80
Standard

Sensing distance L(mm)

Sensing distance L(mm)

ℓ1 15 ℓ1 sensing 40 ℓ1 sensing 70
sensing (D)
target 10 target 35 target 60 Proximity
5 30 50 sensor
0 25 40
L L 20 L
30 (E)
15 20 Pressure
10 10 sensor
5 0
0
(F)
2.0 1.0 0 -1.0 -2.0 4 3 2 1 0 -1 -2 -3 -4 Rotary
3 2 1 0 -1 -2 -3 encoder
1.5 0.5 -0.5 -1.5
ℓ1 ℓ1 ℓ1 ℓ1
ℓ1 ℓ1
Sensing area(mm) Sensing area(mm) Sensing area(mm) (G)
Connector/
Socket
Sensing distance by material Sensing distance by material Sensing distance by material
40 60 60 (H)
Temp.
Sensing distance L(mm)

Sensing distance L(mm)

Sensing distance L(mm)

50 50 controller
30
40 40
(I)
SSR/
20 30 30 Power
controller
20 20
10
10 10 (J)
Counter
0 0 0
White Corrugated Black Rubber SUS PCB Acryl White Corrugated Black Rubber SUS PCB Acryl White Corrugated Black Rubber SUS PCB Acryl
paper cardboard paper (black) (green) (transparent) paper cardboard paper (black) (green) (transparent) paper cardboard paper (black) (green) (transparent)
Sensing target(material) Sensing target(material) Sensing target(material) (K)
Timer

Sensing distance by color Sensing distance by color Sensing distance by color

40 60 60 (L)
Panel
Sensing distance L(mm)

Sensing distance L(mm)

Sensing distance L(mm)

meter
50 50
30
40 40 (M)
Tacho/
20 30 30 Speed/ Pulse
meter
20 20
10 (N)
10 10 Display
unit
0 0 0
White Red OrangeYellowGreen Blue Navy Violet Black White Red OrangeYellowGreen Blue Navy Violet Black White Red OrangeYellowGreen Blue Navy Violet Black
(O)
Sensing target(colored paper) Sensing target(colored paper) Sensing target(colored paper) Sensor
controller

Connections (P)
Switching
power
● Through-beam type ● Retroreflective type ● Diffuse/Narrow beam/ supply

BGS reflective type (Q)

Stepping
motor&
Driver&Controller

Brown Brown Brown (R)

Graphic/
Brown Logic
※1 Load ※1 Load ※1 Load
Black + Black + Black + panel
Sensing
+ - Reflector Sensing
target Load Load - Load - (S)
- Blue Blue
※2 ※2 target Blue
※2
Blue Field
Sensing network
target device
※1: The load connection of NPN open collector output
※2: The load connection of PNP open collector output
(T)
Software

Connections for connector part

● Connector cable(sold separately) (U)
Other
Connector pin No. Cable colors Function
① ② ① Brown Power Source(+V)
※ Connector cable model
: CID408- , CLD408-
② White - ※ Please refer to G-6 for connector cable.
③ ④ ③ Blue Power Source(0V)
④ Black Output
M8 Connector pin ※ Connector pin ② is N.C(Not Connected) terminal.

A-15
BJ Series

Control output diagram

● NPN open collector output ● PNP open collector output
Photoelectric sensor circuit Connection Photoelectric sensor circuit Connection
(Brown)+V (Brown)+V
Load
Main circuit

Main circuit
(Black)output Over Max.100mA
current
+ 12-24VDC protection + 12-24VDC
Over - ±10% (Black)output
current Max.100mA - ±10%
protection Load
(Blue)0V (Blue)0V

Operation mode
Operation mode Light ON Dark ON
Received light Received light
Receiver operation
Interrupted light Interrupted light
Operation indicator ON ON
(red LED) OFF OFF
ON ON
Transistor output
OFF OFF

Dimensions (unit: mm)

●Through-beam type ●Through-beam type(Connector type)

Operation 10.6 Stability 20 Operation 10.6 Stability 20
Power indicator Power indicator indicator indicator
indicator indicator 2.7 (green) 3
(green) (green) (red) (green)
(red)

32
32

25
25

15
15

M8 M8
2.7

3
Cable: ø3.5, 2m
<Emitter> <Receiver> <Emitter> <Receiver>

● Retroreflective type ● Retroreflective type(Connector type)

Operation 10.6 Stability 20 20
indicator indicator 2.7 Operation indicator 10.6 Stability indicator(green)
(red) (green) 3
(red)
Optical axis of receiver
Optical axis of emitter
32

32
25

25
8
8

15
15

2.7

Cable: ø3.5, 2m M8

● Diffuse/Narrow beam/BGS reflective type ● Diffuse reflective type(Connector type)

- Connect the bracket A 22 - Connect the bracket B
M3 Bolt 10.5 Operation indicator Stability indicator 20
(red) (green) 3
Optical axis
13.3

of receiver
24.6

Optical axis
of emitter
35
25
32
35
18

Stability indicator(green)
16.7

20
8.5

Operation indicator(red) Optical axis 2.7

3

of receiver M3Bolt M8
Optical axis
of emitter 24.6 29.5
25
32
8
42.5

15

2.7

M3 Bolt Cable: ø3.5, 2m

A-16
Long sensing distance/BGS reflective/Micro spot type
(A)
● Reflector ● Bracket A ● Bracket B(sold separately) Photo
electric
(accessory:MS-2A, sensor

sold separately:MS-2S, MS-3S) 10.5 (B)

Fiber
M3 Bolt 3 optic
sensor

1.2
3
(C)

14
Door/Area

8
sensor
36 14
60.5
52

M3 Bolt 22 8
26.5 ø3.4 (D)
Proximity
sensor

R25
2.5

R25
34 2-ø3.8 (E)

42.5

18
25
35

6
Pressure
40.5 8.5 sensor

12.5
1.2

(F)
Rotary
10° 20° encoder

(G)
Connector/
Socket

Operation timing diagram (H)

Temp.
● Through-beam type ● Diffuse/Narrow beam/BGS reflective type controller

(I)
Stable High Stable High SSR/
light ON area Power
light ON area controller

Unstable
light ON area (J)
Operation Counter
Unstable Incident level Incident
operation area light light
Unstable Operation
level light OFF area level
level (K)
Timer

Stable Stable
light OFF area light OFF area (L)
Low Low Panel
meter
Stability
Stability indicator ON
indicator ON
(green LED) OFF (M)
(green LED) OFF Tacho/
Operation ON Speed/ Pulse
Operation ON indicator meter
indicator Light ON OFF
Light ON OFF (red LED)
(red LED) operation (N)
operation ON
ON Transistor Display
Transistor output OFF unit
output OFF

(O)
※The waveforms of “Operation indicator” and “Transistor output” are for Light ON operation. Sensor
controller
They are opposite operation for Dark ON operation.
(P)
Switching
power

Mounting and sensitivity adjustment supply

(Q)
Stepping
For mounting Optical axis adjustment motor&
Driver&Controller

Please use bolts M3 for M3×18mm ●Through-beam type (R)

mounting of sensor, Graphic/
1. Place the emitter and the Logic
set the tightening torque under Receiver panel
receiver facing each other and Adjust
0.5N.m. Right/Left (S)
supply the power. Emitter
Field
s network
2. After adjusting the position of axi device
Switching of operation mode ptic
the emitter and the receiver O
and check their stable (T)
Software
Adjust Up/Down
Turn the switching volume of operation indicating range, mount them
Light ON
mode to end of right(L direction), it is in the middle of the range.
operation
D L set as Light ON. (U)
3. After mounting this unit, check the operation of the sensor Other

and lighting of the stability indicator in both status. (None

Turn the switching volume of operation
Dark ON
mode to end of left(D direction), it is
or sensing target status)
operation
set as Dark ON. ※ When the sensing target is translucent or small(under
D L
sensing target of ‘ Specifications’), it may not be
detected by the sensor because the light can penetrate it.
※ For through-beam type, the switching volume of operation
mode is built-in the receiver.

A-17
BJ Series
● Retroreflective type Sensitivity adjustment
1.Place the sensor and the reflector
Order Position Description
facing each other and supply the Adjust
power. Right/Left
(A) Turn the adjustment VR to the right of
2.After adjusting the position of the min. and check position(A) where the
1
sensor and reflector and check operation indicator is turned ON in “Light
their stable indicating range, MIN. MAX. ON status”.
Reflector
mount them in the middle of the Turn the adjustment VR more to the right
range. (None or sensing target Adjust Up/Down of position(A), check position(B) where
status) (A) (C)
the operation indicator is turned ON. And
3.After mounting this unit, check the operation of the sensor turn the adjustment VR to the left, check
and in both status. (None or sensing target status) position(C) where the operation indicator
2
is turned OFF in “Light OFF status”.
(B)
※If the operation indicator is not turned
● Diffuse/Narrow beam/BGS reflective type MIN. MAX.
ON although the adjustment VR is
turned to the max. position, the max.
After place a sensing target, adjust
position is (C).
the sensor to up or down, right or
Set the adjustment VR at the center
left. Optimal of (A) and (C). To set the optimum
Then, fix the sensor in the center sensitivity
sensitivity, check the operation and
of position where the indicator is Sensing
target (A) (C) lighting of stability indicator with
operating. 3
sensing target or without it. If the
stability indicator is not turned ON,
MIN. MAX. please check the sensing method again
● Object(Copper wire) detection <Micro spot type> because sensitivity is unstable.
[Figure 1] [Figure 2] ※No sensitivity adjustment function available for BJG30-
When copper DDT models.
wire is moved. Approx. 0 to 15°
Light ON status Light OFF status

Through-
Copper
wire Copper beam
wire type Emitter
Sensing
Receiver
Emitter Receiver target

※Mount the sensor slanted at an angle ranged 0 to 15˚ shown

above as [Figure 2] for stable detection to detect as shown
in [Figure 1]. Retro-
reflective
type Sensor Sensing
Receiver Reflector target Background
object

Diffuse/
Narrow
beam/ Sensing
BGS Sensor target
Background Background
reflective object object

※Set the sensitivity to operate in stable light ON area

and the reliability for the environment (temperature,
voltage, dust etc) is increased. In unstable light ON area,
be sure that the variation of environment.
※Do not apply excessive force on the adjustment VR,
it may be broken.

A-18